STF Anatomy 101

• Each STF file has a magic number as the first byte.

  • Root files contain: x77
  • Object & data files contain: x55
  • Can be used to determine which files are valid for opening by applications.

• Example: Bellevue:

  • Contains 350k+ objects ? 1 object file
  • Contains <Image>s ? 1 data file
  • And 1 root file.
  • Therefore:
    • belle31.stf
    • belle3100000.stf
    • belle3100001.stf

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